# print("hello 你好")
from importlib.util import source_hash

# print(2/3)

# print((62.7+12.2)/2)

avg =(21+2+3) ** 2
print(avg)
result=avg /2
print(result)

a=10
b=20
print(a==b)
print(a)
print(b)
print(type(a))
c=10.0
print(type(c))

d=10.00
print(type(d))

a='hello'
print(type(a))

c='aaaa'
print(type(c))
print(a+c)

a=True
print(type(a))

# num1=2
# num2=4
# num=input('输入一个数字')
# print(f'num1+num2={num}')


# a=input('请输入一个整数:')
# b=input('请输入一个整数:')
# a=int(a)
# b=int(b)
# print(a+b)


# 会报异常
# print(10/0)

print(7%2)

print(10**2)

print(10**0.5)

# a=10
# b=20
# print(a==b)
# print(a>b)
# print(a>=b)
# print(a<b)
# print(a<=b)
# print(a!=b)

# a = 'hello'
# b = 'world'
# print(a < b)
# print(a <= b)
# print(a > b)
# print(a >= b)
# print(a == b)
# print(a != b)

print(0.1 + 0.2 == 0.3)


a=10
b=15
c=20

print(a<b and b<c)

print(a<b or b>c)

print(not a<b)

a=b=c=1
print(a)
print(b)
print(c)